Ex 13.1, 14
Given that the two numbers appearing on throwing two dice are different. Find the probability of the event the sum of numbers on the dice is 4 .
Two Dice are thrown
We need to find the Probability that the sum of numbers on the dice is 4, given that the two numbers are different.
E : Sum of numbers is 4
F : numbers are different
We need to find P(E | F)
Now, P(E|F) = ( ) ( )
= 2 36 30 36
= 2 30 =